head /sys/kernel/debug/remoteproc/remoteproc*/name ==> /sys/kernel/debug/remoteproc/remoteproc0/name <== 64800000.dsp ==> /sys/kernel/debug/remoteproc/remoteproc1/name <== 65800000.dsp head /sys/kernel/debug/remoteproc/remoteproc*/resource_table ==> /sys/kernel/debug/remoteproc/remoteproc0/resource_table <== Entry 0 is of type vdev ID 7 Notify ID 0 Device features 0x1 Guest features 0x1 Config length 0x0 Status 0x7 Number of vrings 2 Reserved (should be zero) [0][0] ==> /sys/kernel/debug/remoteproc/remoteproc1/resource_table <== Entry 0 is of type vdev ID 7 Notify ID 0 Device features 0x1 Guest features 0x1 Config length 0x0 Status 0x7 Number of vrings 2 Reserved (should be zero) [0][0] # dmesg snippet [ 0.000000] Booting Linux on physical CPU 0x0000000000 [0x411fd080] [ 0.000000] Linux version 6.12.57-ti-01365-gc52c5589aab8-dirty (oe-user@oe-host) (aarch64-poky-linux-gcc (GCC) 13.3.0, GNU ld (GNU Binutils) 2.42.0.20240723) #1 SMP PREEMPT Thu Apr 16 07:38:45 UTC 2026 [ 0.000000] OF: reserved mem: initialized node c71-dma-memory@a6000000, compatible id shared-dma-pool [ 0.000000] OF: reserved mem: 0x00000000a6000000..0x00000000a60fffff (1024 KiB) nomap non-reusable c71-dma-memory@a6000000 [ 0.000000] OF: reserved mem: initialized node c71-memory@a6100000, compatible id shared-dma-pool [ 0.000000] OF: reserved mem: 0x00000000a6100000..0x00000000a6ffffff (15360 KiB) nomap non-reusable c71-memory@a6100000 [ 0.000000] OF: reserved mem: initialized node c71-dma-memory@a7000000, compatible id shared-dma-pool [ 0.000000] OF: reserved mem: 0x00000000a7000000..0x00000000a70fffff (1024 KiB) nomap non-reusable c71-dma-memory@a7000000 [ 0.000000] OF: reserved mem: initialized node c71-memory@a7100000, compatible id shared-dma-pool [ 0.000000] OF: reserved mem: 0x00000000a7100000..0x00000000a7ffffff (15360 KiB) nomap non-reusable c71-memory@a7100000 [ 0.000000] OF: reserved mem: initialized node a72-c71-0-shared-msmc-ram@70200000, compatible id shared-dma-pool [ 0.000000] OF: reserved mem: 0x0000000070200000..0x00000000702fffff (1024 KiB) nomap non-reusable a72-c71-0-shared-msmc-ram@70200000 [ 0.000000] OF: reserved mem: initialized node c71-0-c71-1-shared-msmc-ram@70300000, compatible id shared-dma-pool [ 0.000000] OF: reserved mem: 0x0000000070300000..0x00000000703fffff (1024 KiB) nomap non-reusable c71-0-c71-1-shared-msmc-ram@70300000 [ 5.980895] k3-dsp-rproc 64800000.dsp: assigned reserved memory node c71-dma-memory@a6000000 [ 5.992870] k3-dsp-rproc 64800000.dsp: configured DSP for remoteproc mode [ 6.005956] remoteproc remoteproc0: 64800000.dsp is available [ 6.014836] k3-dsp-rproc 65800000.dsp: assigned reserved memory node c71-dma-memory@a7000000 [ 6.024740] k3-dsp-rproc 65800000.dsp: configured DSP for remoteproc mode [ 6.033966] remoteproc remoteproc1: 65800000.dsp is available [ 6.149135] remoteproc remoteproc0: powering up 64800000.dsp [ 6.167857] remoteproc remoteproc1: powering up 65800000.dsp [ 6.185887] remoteproc remoteproc0: Booting fw image j721s2-c71_0-fw, size 10488888 [ 6.205305] remoteproc remoteproc1: Booting fw image j721s2-c71_1-fw, size 10488888 [ 6.216543] remoteproc remoteproc0: unsupported resource 65538 [ 6.223320] rproc-virtio rproc-virtio.2.auto: assigned reserved memory node c71-dma-memory@a6000000 [ 6.257780] remoteproc remoteproc1: unsupported resource 65538 [ 6.264618] rproc-virtio rproc-virtio.3.auto: assigned reserved memory node c71-dma-memory@a7000000 [ 6.277683] virtio_rpmsg_bus virtio0: rpmsg host is online [ 6.293162] remoteproc remoteproc0: remote processor 64800000.dsp is now up [ 6.494362] virtio_rpmsg_bus virtio1: rpmsg host is online [ 6.513152] remoteproc remoteproc1: remote processor 65800000.dsp is now up # rpmsg devices ls /dev/rpmsg* /dev/rpmsg_ctrl0 /dev/rpmsg_ctrl1